30 MCQs on MERN E-commerce - Test Your Knowledge!

Q1. Which package is used for generating and handling PDF documents in a MERN e-commerce website?

pdfkit

All of the above

puppeteer

jspdf

Q2. Which package is used for implementing search functionality in a MERN e-commerce website?

Elasticsearch

Algolia

All of the above

Solr

Q3. Which package is used for handling server-side rendering in a MERN e-commerce website?

gatsby

react-ssr

create-react-app

next.js

Q4. Which package is used for creating and managing API routes in a MERN e-commerce website?

express-oauth-server

express-graphql

express-rate-limit

express-restify-mongoose

Q5. Which module is used for generating unique identifiers in a MERN e-commerce website?

nanoid

shortid

uuid

All of the above

Q6. Which JavaScript runtime environment is commonly used for developing a MERN e-commerce website?

Both a and b

Browser

Deno

Node.js

Q7. Which package is used for handling file uploads to a cloud storage service in a MERN e-commerce website?

aws-sdk

multer

All of the above

firebase-admin

Q8. Which package is used for handling server-side errors in a MERN e-commerce website?

express-winston

morgan

express-error-handler

none of the above

Q9. Which module is used for implementing caching in a MERN e-commerce website?

Node-cache

Redis

Memcached

All of the above

Q10. Which package is used for implementing server-side pagination in a MERN e-commerce website?

mongoose-paginate-v2

sequelize-paginate

All of the above

express-paginate

Q11. Which module is used for implementing URL routing in a MERN e-commerce website?

next.js

react-navigation

None of the above

react-router

Q12. Which module is used for handling HTTP requests and responses in a MERN e-commerce website?

Koa

Express

Sails

Hapi

Q13. Which package is used for handling and validating credit card information in a MERN e-commerce website?

All of the above

stripe

credit-card-validator

credit-card

Q14. Which payment gateway can be integrated with a MERN e-commerce website?

All of the above

Stripe

PayPal

Authorize.net

Q15. Which module is used for implementing web sockets in a MERN e-commerce website?

uWebSockets

All of the above

ws

socket.io

Q16. Which package is used for implementing serverless functions in a MERN e-commerce website?

AWS Lambda

All of the above

Firebase Functions

Netlify Functions

Q17. Which package is used for implementing server-side caching of API responses in a MERN e-commerce website?

lru-cache

apicache

node-cache-manager

All of the above

Q18. Which package is used for implementing server-side validation in a MERN e-commerce website?

All of the above

Joi

validator

Yup

Q19. Which module is used for implementing file uploads in a MERN e-commerce website?

All of the above

formidable

multer

busboy

Q20. Which package is used for implementing server-side geolocation in a MERN e-commerce website?

geolib

geoip-lite

node-geocoder

All of the above

Q21. Which framework is used for building the front-end of an e-commerce website?

React

Vue

Ember

Angular

Q22. Which module is used for implementing database migrations in a MERN e-commerce website?

knex.js

sequelize

All of the above

typeorm

Q23. Which module is used for implementing email notifications in a MERN e-commerce website?

mailgun-js

nodemailer

sendgrid

All of the above

Q24. Which technology stack is used for developing an e-commerce website?

LAMP

WAMP

MERN

MEAN

Q25. Which package is used for managing and manipulating dates and times in a MERN e-commerce website?

date-fns

Luxon

All of the above

moment

Q26. Which library is used for handling state management in a MERN e-commerce website?

Flux

Vuex

Redux

MobX

Q27. Which database is commonly used for storing product information in an e-commerce website?

MongoDB

PostgreSQL

Oracle

MySQL

Q28. Which module is used for implementing GraphQL API in a MERN e-commerce website?

express-graphql

apollo-server-express

All of the above

type-graphql

Q29. Which package is used for integrating React with Express in a MERN e-commerce website?

axios

react-express

none of the above

react-router

Q30. Which module is used for implementing user authentication and authorization in a MERN e-commerce website?

jsonwebtoken

bcrypt

Express-session

Passport

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